20126475

素因数分解:

$3^5\times 5^2\times {\mathrm{3313}}^1$

素因数の和:3338

約数の個数: 36

約数和(自身を含む): 37395176

約数和(自身を除く): 17268701

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 3313, 6075, 9939, 16565, 29817, 49695, 82825, 89451, 149085, 248475, 268353, 447255, 745425, 805059, 1341765, 2236275, 4025295, 6708825, 20126475]

約数ペア:

[(1, 20126475), (3, 6708825), (5, 4025295), (9, 2236275), (15, 1341765), (25, 805059), (27, 745425), (45, 447255), (75, 268353), (81, 248475), (135, 149085), (225, 89451), (243, 82825), (405, 49695), (675, 29817), (1215, 16565), (2025, 9939), (3313, 6075)]